Transaction not yet indexed

21DnkrsfRc7JWsnBvvAn3FphQ2HvgwsAfX1vThxVHxrdnGPQ8fcpBcx8u5of2uLknBkh8BYe9hgNMi8Q4Fk51bAN

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.